diff --git a/lib/layouts/theorems-ams-extended-bytype.module b/lib/layouts/theorems-ams-extended-bytype.module
index 672ee4c5d1..e08c737e47 100644
--- a/lib/layouts/theorems-ams-extended-bytype.module
+++ b/lib/layouts/theorems-ams-extended-bytype.module
@@ -93,11 +93,11 @@ End
 
 Style Algorithm
 	CopyStyle             Theorem
-	LatexName             algorithm
+	LatexName             lyxalgorithm
 	LabelString           "Algorithm \thealgorithm."
 	Preamble
 	  \theoremstyle{plain}
-	  \newtheorem{algorithm}{\protect\algorithmname}
+	  \newtheorem{lyxalgorithm}{\protect\algorithmname}
 	EndPreamble
 	LangPreamble
 	  \providecommand{\algorithmname}{_(Algorithm)}
@@ -111,11 +111,11 @@ End
 
 Style Algorithm*
 	CopyStyle             Theorem*
-	LatexName             algorithm*
+	LatexName             lyxalgorithm*
 	LabelString           "Algorithm."
 	Preamble
 	  \theoremstyle{plain}
-	  \newtheorem*{algorithm*}{\protect\algorithmname}
+	  \newtheorem*{lyxalgorithm*}{\protect\algorithmname}
 	EndPreamble
 	LangPreamble
 	  \providecommand{\algorithmname}{_(Algorithm)}
diff --git a/lib/layouts/theorems-ams-extended.module b/lib/layouts/theorems-ams-extended.module
index 7b5903301f..09c430c111 100644
--- a/lib/layouts/theorems-ams-extended.module
+++ b/lib/layouts/theorems-ams-extended.module
@@ -70,11 +70,11 @@ End
 Style Algorithm
 	CopyStyle             Theorem
 	DependsOn	           Theorem
-	LatexName             algorithm
+	LatexName             lyxalgorithm
 	LabelString           "Algorithm \thetheorem."
 	Preamble
 	  \theoremstyle{plain}
-	  \newtheorem{algorithm}[thm]{\protect\algorithmname}
+	  \newtheorem{lyxalgorithm}[thm]{\protect\algorithmname}
 	EndPreamble
 	LangPreamble
 	  \providecommand{\algorithmname}{_(Algorithm)}
@@ -87,11 +87,11 @@ End
 
 Style Algorithm*
 	CopyStyle             Theorem*
-	LatexName             algorithm*
+	LatexName             lyxalgorithm*
 	LabelString           "Algorithm."
 	Preamble
 	  \theoremstyle{plain}
-	  \newtheorem*{algorithm*}{\protect\algorithmname}
+	  \newtheorem*{lyxalgorithm*}{\protect\algorithmname}
 	EndPreamble
 	LangPreamble
 	  \providecommand{\algorithmname}{_(Algorithm)}