diff --git a/tools/gbagfx/Makefile b/tools/gbagfx/Makefile
index f0638414da..9f13763391 100644
--- a/tools/gbagfx/Makefile
+++ b/tools/gbagfx/Makefile
@@ -1,8 +1,10 @@
 CC = gcc
 
 CFLAGS = -Wall -Wextra -Werror -Wno-sign-compare -std=c11 -O2 -DPNG_SKIP_SETJMP_CHECK
+CFLAGS += $(shell pkg-config --cflags libpng)
 
 LIBS = -lpng -lz
+LDFLAGS += $(shell pkg-config --libs-only-L libpng)
 
 SRCS = main.c convert_png.c gfx.c jasc_pal.c lz.c rl.c util.c font.c huff.c
 
diff --git a/tools/rsfont/Makefile b/tools/rsfont/Makefile
index 041ee0c437..f17253c8d9 100644
--- a/tools/rsfont/Makefile
+++ b/tools/rsfont/Makefile
@@ -1,8 +1,10 @@
 CC = gcc
 
 CFLAGS = -Wall -Wextra -Werror -std=c11 -O2 -s -DPNG_SKIP_SETJMP_CHECK
+CFLAGS += $(shell pkg-config --cflags libpng)
 
 LIBS = -lpng -lz
+LDFLAGS += $(shell pkg-config --libs-only-L libpng)
 
 SRCS = main.c convert_png.c util.c font.c