diff --git a/ChangeLog b/ChangeLog
index 2bd5665..1859c55 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -28,6 +28,7 @@ v.0.5dev (ongoing development)
  * t6963: Convert font to 8 byte bitmap
  * convert i2500vfd and mdm166a driver to use 8 byte bitmap custom character
  * ula200: convert custom characters to 8 byte bitmap
+ * Build system: Fix trying to install svga driver twice
 
 v0.5.4
  * Update driver includes and LDFLAGS (fixed glk and bayrad binding error)
diff --git a/acinclude.m4 b/acinclude.m4
index ef57a68..aedbb87 100644
--- a/acinclude.m4
+++ b/acinclude.m4
@@ -426,18 +426,23 @@ dnl			else
 			actdrivers=["$actdrivers SureElec"]
 			;;
 		svga)
-			AC_CHECK_HEADERS([vga.h vgagl.h],[
-				AC_CHECK_LIB(vga, main,[
-					LIBSVGA="-lvga -lvgagl"
-					DRIVERS="$DRIVERS svga${SO}"
-					actdrivers=["$actdrivers svga"]
+			AC_CHECK_HEADER([vga.h], [
+				AC_CHECK_HEADER([vgagl.h],[
+					AC_CHECK_LIB(vga, main,[
+						LIBSVGA="-lvga -lvgagl"
+						DRIVERS="$DRIVERS svga${SO}"
+						actdrivers=["$actdrivers svga"]
+					],[
+dnl					else
+						AC_MSG_WARN([The svga driver needs the vga library])
+					])
 				],[
 dnl				else
-					AC_MSG_WARN([The svga driver needs the vga library])
+					AC_MSG_WARN([The svga driver needs vgagl.h])
 				])
 			],[
 dnl			else
-				AC_MSG_WARN([The svga driver needs vga.h and vgagl.h])
+				AC_MSG_WARN([The svga driver needs vga.h])
 			])
 			;;
 		t6963)