diff --git a/src/sl/saveload.cpp b/src/sl/saveload.cpp
index 15d3fecdd5..be2e445f94 100644
--- a/src/sl/saveload.cpp
+++ b/src/sl/saveload.cpp
@@ -685,7 +685,7 @@ size_t SlGetBytesWritten()
  * x = ((x & 0x7F) << 8) + SlReadByte();
  * @return Return the value of the index
  */
-static uint SlReadSimpleGamma()
+uint SlReadSimpleGamma()
 {
 	uint i = SlReadByte();
 	if (HasBit(i, 7)) {
@@ -727,7 +727,7 @@ static uint SlReadSimpleGamma()
  * @param i Index being written
  */
 
-static void SlWriteSimpleGamma(size_t i)
+void SlWriteSimpleGamma(size_t i)
 {
 	if (i >= (1 << 7)) {
 		if (i >= (1 << 14)) {
@@ -752,7 +752,7 @@ static void SlWriteSimpleGamma(size_t i)
 }
 
 /** Return how many bytes used to encode a gamma value */
-static inline uint SlGetGammaLength(size_t i)
+uint SlGetGammaLength(size_t i)
 {
 	return 1 + (i >= (1 << 7)) + (i >= (1 << 14)) + (i >= (1 << 21)) + (i >= (1 << 28));
 }
diff --git a/src/sl/saveload.h b/src/sl/saveload.h
index 2106aff551..2e55cb1477 100644
--- a/src/sl/saveload.h
+++ b/src/sl/saveload.h
@@ -984,6 +984,10 @@ void SlSetLength(size_t length);
 size_t SlCalcObjMemberLength(const void *object, const SaveLoad &sld);
 size_t SlCalcObjLength(const void *object, const SaveLoadTable &slt);
 
+uint SlReadSimpleGamma();
+void SlWriteSimpleGamma(size_t i);
+uint SlGetGammaLength(size_t i);
+
 /**
  * Run proc, automatically prepending the written length
  * @param proc The callback procedure that is called