diff --git a/util/buildbot/buildwin32.sh b/util/buildbot/buildwin32.sh
index c931d1d0fe286..33dda18615d6f 100755
--- a/util/buildbot/buildwin32.sh
+++ b/util/buildbot/buildwin32.sh
@@ -26,10 +26,6 @@ fi
 toolchain_file=$topdir/toolchain_${compiler/-gcc/}.cmake
 echo "Using $toolchain_file"
 
-# Use ccache if it is available
-extra_args=()
-command -v ccache >/dev/null && extra_args+=(-DCMAKE_{C,CCX}_COMPILER_LAUNCHER=ccache)
-
 find_runtime_dlls i686-w64-mingw32
 
 # Get stuff
@@ -64,7 +60,6 @@ cd $builddir
 [ -d build ] && rm -rf build
 
 cmake_args=(
-	"${extra_args[@]}"
 	-DCMAKE_TOOLCHAIN_FILE=$toolchain_file
 	-DCMAKE_INSTALL_PREFIX=/tmp
 	-DVERSION_EXTRA=$git_hash
@@ -76,6 +71,8 @@ cmake_args=(
 	-DENABLE_GETTEXT=1
 	-DENABLE_LEVELDB=1
 )
+# Use ccache if it is available
+command -v ccache >/dev/null && cmake_args+=(-DCMAKE_{C,CCX}_COMPILER_LAUNCHER=ccache)
 add_cmake_libs
 cmake -S $sourcedir -B build "${cmake_args[@]}"
 
diff --git a/util/buildbot/buildwin64.sh b/util/buildbot/buildwin64.sh
index 7bd5fd0c9f6f0..6fb25ce29feb9 100755
--- a/util/buildbot/buildwin64.sh
+++ b/util/buildbot/buildwin64.sh
@@ -26,12 +26,6 @@ fi
 toolchain_file=$topdir/toolchain_${compiler/-gcc/}.cmake
 echo "Using $toolchain_file"
 
-# Use ccache if it is available
-if command -v ccache >&-; then
-	extra_args=(-DCMAKE_C_COMPILER_LAUNCHER=ccache \
-		-DCMAKE_CXX_COMPILER_LAUNCHER=ccache)
-fi
-
 find_runtime_dlls x86_64-w64-mingw32
 
 # Get stuff
@@ -63,7 +57,6 @@ cd $sourcedir
 [ -d build ] && rm -rf build
 
 cmake_args=(
-	"${extra_args[@]}"
 	-DCMAKE_TOOLCHAIN_FILE=$toolchain_file
 	-DCMAKE_INSTALL_PREFIX=/tmp
 	-DVERSION_EXTRA=$git_hash
@@ -75,6 +68,8 @@ cmake_args=(
 	-DENABLE_GETTEXT=1
 	-DENABLE_LEVELDB=1
 )
+# Use ccache if it is available
+command -v ccache >/dev/null && cmake_args+=(-DCMAKE_{C,CCX}_COMPILER_LAUNCHER=ccache)
 add_cmake_libs
 cmake -S $sourcedir -B build "${cmake_args[@]}"
 
diff --git a/util/ci/build.sh b/util/ci/build.sh
index 4c6ba8cad2e6d..f7a3da5e28b57 100755
--- a/util/ci/build.sh
+++ b/util/ci/build.sh
@@ -1,10 +1,8 @@
 #! /bin/bash -e
 
 # Use ccache if it is available
-if command -v ccache >&-; then
-	extra_args=(-DCMAKE_C_COMPILER_LAUNCHER=ccache \
-		-DCMAKE_CXX_COMPILER_LAUNCHER=ccache)
-fi
+extra_args=()
+command -v ccache >/dev/null && extra_args+=(-DCMAKE_{C,CCX}_COMPILER_LAUNCHER=ccache)
 
 cmake -B build \
 	"${extra_args[@]}" \
diff --git a/util/ci/build_prometheus_cpp.sh b/util/ci/build_prometheus_cpp.sh
index cc650ca4f22a2..144fb197f5e2c 100755
--- a/util/ci/build_prometheus_cpp.sh
+++ b/util/ci/build_prometheus_cpp.sh
@@ -1,10 +1,8 @@
 #! /bin/bash -eu
 
 # Use ccache if it is available
-if command -v ccache >&-; then
-	extra_args=(-DCMAKE_C_COMPILER_LAUNCHER=ccache \
-		-DCMAKE_CXX_COMPILER_LAUNCHER=ccache)
-fi
+extra_args=()
+command -v ccache >/dev/null && extra_args+=(-DCMAKE_{C,CCX}_COMPILER_LAUNCHER=ccache)
 
 cd /tmp
 git clone --recursive https://github.com/jupp0r/prometheus-cpp