diff --git a/libpng-config.in b/libpng-config.in

index 3739eb9..7f6b2cc 100644

--- a/libpng-config.in

+++ b/libpng-config.in

@@ -13,7 +13,6 @@

 version=`pkg-config --modversion libpng`

 prefix=`pkg-config --variable prefix libpng`

-exec_prefix=`pkg-config --variable exec_prefix libpng`

 libdir=`pkg-config --variable libdir libpng`

 includedir=`pkg-config --variable includedir libpng`

 libs="-lpng@PNGLIB_MAJOR@@PNGLIB_MINOR@"