diff --git a/src/crypto/randomx/jit_compiler_x86.cpp b/src/crypto/randomx/jit_compiler_x86.cpp
index 3442e1f4f..d7ebc25fe 100644
--- a/src/crypto/randomx/jit_compiler_x86.cpp
+++ b/src/crypto/randomx/jit_compiler_x86.cpp
@@ -320,7 +320,7 @@ namespace randomx {
 
 		vm_flags = flags;
 
-		generateProgramPrologue(prog, pcfg);
+		generateProgramPrologue(prog, pcfg, false);
 
 		uint8_t* p;
 		uint32_t n;
@@ -339,7 +339,7 @@ namespace randomx {
 	}
 
 	void JitCompilerX86::generateProgramLight(Program& prog, ProgramConfiguration& pcfg, uint32_t datasetOffset) {
-		generateProgramPrologue(prog, pcfg);
+		generateProgramPrologue(prog, pcfg, true);
 		emit(RandomX_CurrentConfig.codeReadDatasetLightSshInitTweaked, readDatasetLightInitSize, code, codePos);
 		*(uint32_t*)(code + codePos) = 0xc381;
 		codePos += 2;
@@ -415,7 +415,7 @@ namespace randomx {
 		}
 	}
 
-	void JitCompilerX86::generateProgramPrologue(Program& prog, ProgramConfiguration& pcfg) {
+	void JitCompilerX86::generateProgramPrologue(Program& prog, ProgramConfiguration& pcfg, bool light) {
 		codePos = ADDR(randomx_program_prologue_first_load) - ADDR(randomx_program_prologue);
 		*(uint32_t*)(code + codePos + 4) = RandomX_CurrentConfig.ScratchpadL3Mask64_Calculated;
 		*(uint32_t*)(code + codePos + 14) = RandomX_CurrentConfig.ScratchpadL3Mask64_Calculated;
@@ -429,7 +429,7 @@ namespace randomx {
 #		endif
 
 		imul_rcp_storage = code + (ADDR(randomx_program_imul_rcp_store) - codePrologue) + 2;
-		imul_rcp_storage_used = 0;
+		imul_rcp_storage_used = light ? 0xFFFFFFFFUL : 0;
 
 		memcpy(imul_rcp_storage - 34, &pcfg.eMask, sizeof(pcfg.eMask));
 		codePos = codePosFirst;
diff --git a/src/crypto/randomx/jit_compiler_x86.hpp b/src/crypto/randomx/jit_compiler_x86.hpp
index abc8e74f1..b1bd42aa8 100644
--- a/src/crypto/randomx/jit_compiler_x86.hpp
+++ b/src/crypto/randomx/jit_compiler_x86.hpp
@@ -107,7 +107,7 @@ namespace randomx {
 		uint8_t* imul_rcp_storage = nullptr;
 		uint32_t imul_rcp_storage_used = 0;
 
-		void generateProgramPrologue(Program&, ProgramConfiguration&);
+		void generateProgramPrologue(Program&, ProgramConfiguration&, bool light);
 		void generateProgramEpilogue(Program&, ProgramConfiguration&);
 		template<bool rax>
 		static void genAddressReg(const Instruction&, const uint32_t src, uint8_t* code, uint32_t& codePos);